52537891 has 16 divisors (see below), whose sum is σ = 62265280. Its totient is φ = 43390080.

The previous prime is 52537889. The next prime is 52537913. The reversal of 52537891 is 19873525.

It is a cyclic number.

It is not a de Polignac number, because 52537891 - 2¹ = 52537889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52537801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27301 + ... + 29161.

It is an arithmetic number, because the mean of its divisors is an integer number (3891580).

Almost surely, 2^52537891 is an apocalyptic number.

52537891 is a deficient number, since it is larger than the sum of its proper divisors (9727389).

52537891 is a wasteful number, since it uses less digits than its factorization.

52537891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014.

The product of its digits is 75600, while the sum is 40.

The square root of 52537891 is about 7248.3026288918. The cubic root of 52537891 is about 374.5336805115.

It can be divided in two parts, 525 and 37891, that added together give a 4-th power (38416 = 14⁴).

The spelling of 52537891 in words is "fifty-two million, five hundred thirty-seven thousand, eight hundred ninety-one".